Home / 131,725.44-181,809.56-83,296.45

Finding the Fourth Proportional to 131,725.44, 181,809.56 and 83,296.45

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Solution

The fourth proportional to 131,725.44, 181,809.56 and 83,296.45 is: 114,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,725.44 : 181,809.56 = 83,296.45 : x
  2. Step 2: Convert to fraction form
    131,725.44/181,809.56 = 83,296.45/x
  3. Step 3: Cross multiply
    131,725.44x = 181,809.56 × 83,296.45
  4. Step 4: Simplify right side
    131,725.44x = 15,144,091,359.57
  5. Step 5: Solve for x
    x = 15,144,091,359.57/131,725.44
  6. Step 6: Final answer
    x = 114,967.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.